Hyphanet (former Freenet) is free software which lets you anonymously share files, browse and publish "freesites".
Cost / License
- Free
- Open Source (GPL-2.0)
Application type
Platforms
- Mac
- Windows
- Linux
- BSD
- Global
nospeak Alternatives
Alternatives list
- 51 Hyphanet alternatives
154 Mattermost alternativesSelf-hosted collaboration platform featuring chat, workflow automation, voice and video calling, screen sharing, AI capabilities, broad third-party integration support, cross-platform apps, compatibility with Slack imports, and flexible deployment options for secure team communication.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- JavaScript
- Software as a Service (SaaS)
- Go (Programming Language)
- Cloudron
United States
+1
Lightweight communication platform with unlimited channels, seamless voice and video, screen sharing, private file sharing, advanced task and calendar tools, robust privacy features, emoji and thread support, and multi-platform efficiency for gaming or team communities.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Online
+2
212 FluffyChat alternativesEncrypted messenger supporting multi-platform access, unlimited group and private chats, file and voice message sharing, decentralized operation, open-source code, custom themes including dark mode, advanced moderation, push notifications, and no advertisements.
Cost / License
- Free
- Open Source (AGPL-3.0)
Application typeApplication types
Platforms
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Snapcraft
- Matrix.org
- Flathub
- Ubuntu Touch
- F-Droid
Switzerland
+4
166 Conversations alternativesConversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].
Cost / License
- Free
- Open Source (GPL-3.0)
Application typeApplication types
Platforms
- Android
- Android Tablet
- F-Droid
Germany
EU
+4
169 Rocket.Chat alternativesOpen-source chat server supporting real-time group, direct, and private messaging, video calls, file sharing, helpdesk chat, API integrations, desktop notifications, emojis, LDAP authentication, cross-platform apps, and customizable extensions for teams.
Cost / License
- Freemium
- Open Source (MIT)
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
- Self-Hosted
- Cloudron
- United States
+5
79 Quiet Chat alternativesPeer-to-peer group chatting over Tor and IPFS, with local-first encrypted messaging and no central servers, offers privacy-focused decentralized collaboration for teams, supporting desktop and mobile. FOSS, open to contributors, and avoids surveillance-based tracking.
Cost / License
- Free
- Open Source (GPL-3.0)
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- United States
Matrix client supporting decentralized, secure chats with end-to-end encryption, open-source development, organized navigation for channels and DMs, minimal clutter, adaptive elegant interface, calm visuals, and continuous feature updates for private, modern messaging.
Cost / License
- Free
- Open Source (AGPL-3.0)
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Online
- Arch Linux
- Flathub
- Flatpak
- Linux Mobile
India
+1
I2P (Invisible Internet Protocol) is a universal anonymous network layer. All communications over I2P are anonymous and end-to-end encrypted, participants don't reveal their real IP addresses.
Cost / License
- Free
- Open Source (BSD-3-Clause)
Application type
Platforms
- Mac
- Windows
- Linux
- Android
- F-Droid
- Raspberry Pi
- C++
- I2P
- OpenAPK
- Switzerland
56 nostr alternativesThe simplest open protocol that is able to create a censorship-resistant global "social" network once and for all.
Cost / License
- Free
- Open Source
Application typeApplication types
Platforms
- Self-Hosted
Commet is a client for Matrix focused on providing a feature rich experience while maintaining a simple interface. The goal is to build a secure, privacy respecting app without compromising on the features you have come to expect from a modern chat client.
Cost / License
- Free
- Open Source (AGPL-3.0)
Application typeApplication types
Platforms
- Windows
- Linux
- Android
- Self-Hosted
- Flatpak
9 Openvibe alternativesCombines feeds from decentralized networks like Mastodon, Bluesky, Nostr, and Threads in a single interface, allowing content sharing, timeline management, notifications, RSS integration, data control, privacy tools, account migration, and cross-platform interaction.
Cost / License
- Free
- Proprietary
Platforms
- Android
- iPhone
- Android Tablet
- iPad
Czechia- EU
